Iron Absorption
How Vitamin C Works and Why You Can't Absorb Unlimited Amounts
Vitamin C absorption drops sharply with high doses: 80% at 100mg, 50% at 500mg, 12% at 1250mg. Here's why, and what the evidence shows on megadosing.
IntermediateIron Absorption: Why Heme Iron and Non-Heme Iron Behave Differently
Heme iron from meat absorbs at 15-35%. Non-heme iron from plants absorbs at 2-20%. Learn which foods enhance or block iron absorption and why spinach is a poor iron source.
IntermediateLemon Nutrition: Small Fruit, Useful Acid Chemistry, and Real Limits
Lemons are not a cure-all, but they are a practical source of vitamin C and citric acid that can improve flavor, iron absorption context, and food use patterns.
Beginner